This Week: The Global Impacts of a Warming Arctic

As temperatures warm and sea ice melts, light floods into the Arctic even during the dark ‘polar night’ of winter. The changes don't only impact life in the Arctic, but could affect climatic conditions thousands of miles away. In a three-part series of short videos for VOX, Eli Kintisch joins a scientific expedition aboard the Norwegian research vessel Helmer Hanssen, and explores the far-reaching implications of the Arctic's rapidly changing ecosystem.

Sunmi (left) and Máyori (right) with their mother in their home. Sunmi was diagnosed by the Health Ministry in September 2015 with developmental disabilities, learning disability and chronic epistaxis (nosebleeds) from high levels of lead in her bloodstream. Image by Ricardo Martínez. Peru, 2017.

Children are growing ill and slowly dying in a Peruvian mining town that extracted over $75 million worth of zinc and silver last year. As Ricardo Martinez reports for PRI's The World, local residents are desperate for help.

Kakuma camp and Kalobeyei settlement in northwestern Kenya are home to nearly 186,000 people—most of them children—from 19 countries. Jaime Joyce of TIME for Kids reports on what it's like to grow up as a refugee.